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Private company

Kenko

Logo: Kenko Tokina, Public domain, via Wikimedia Commons3

Japanese manufacturer

Kenko Co., Ltd. (株式会社ケンコー, Kabushiki-gaisha Kenkō) is a Japanese manufacturer and trading company of photographic accessories, especially known for its teleconverters and filters. Located in Tokyo, it has been producing conversion lenses since the 1960s. It produces camera lenses under the Kenko and Tokina brand names.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Sep 21, 1957Founded1

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Kenko Co., Ltd. (株式会社ケンコー, Kabushiki-gaisha Kenkō) is a Japanese manufacturer and trading company of photographic accessories, especially known for its teleconverters and filters. Located in Tokyo, it has been producing conversion lenses since the 1960s. It produces camera lenses under the Kenko and Tokina brand names. It also manufactures a beginner's 35 mm SLR camera (using the Nikon F-mount) under the Kenko name. On June 22, 2011, Tokina announces its merger with Kenko.2

Corporate structure

Kenko sits at the top of its group. 3 entities, 2 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • Kenko Tokyo
    • Tokina Subsidiary · Machida
    • Cokin Subsidiary · France

Built from subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

What it owns

What Kenko reports owning in its annual reports to the SEC: buildings, land and equipment, real estate and locations, investments, intangible assets and inventory, at the end of its latest fiscal year and a year before.

Stakes and holdings (Wikidata)

Things Wikidata records the company as owning, with the share when stated.1

Subsidiaries and ownership

Subsidiaries

From Wikidata.1

Timeline

  1. Sep 21, 1957Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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  3. 3